Water quality. Physical, chemical and biochemical methods. Method for the determination of anionic surfactants by the methylene blue spectrometric method.

NEPLATNÁ vydaná dňa 31.7.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of phosphorus: ammonium molybdate spectrometric method.

NEPLATNÁ vydaná dňa 31.12.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of permanganate index.

NEPLATNÁ vydaná dňa 31.7.1987

Water quality. Physical, chemical and biochemical methods. Method for the determination of electrical conductivity.

NEPLATNÁ vydaná dňa 29.9.1989

Water quality. Physical, chemical and biochemical methods. Methods for the determination of total chromium by atomic absorption spectrometry.

NEPLATNÁ vydaná dňa 30.11.1990

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after digestion with permanganate-peroxodisulphate.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after pretreatment with ultraviolet radiation.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Determination of total mercury by flameless atomic absorption spectrometry: method after digestion with bromine.

NEPLATNÁ vydaná dňa 31.12.1984

Water quality. Physical, chemical and biochemical methods. Method for determination of cyanide by diffusion at pH 6.

NEPLATNÁ vydaná dňa 28.2.1986

Water quality. Physical, chemical and biochemical methods. Method for the determination of ammonium: automated spectrometric method.

NEPLATNÁ vydaná dňa 30.11.1987